Wireless Connection: The doorbell connects wirelessly to your home security system without requiring complex wiring. 32 Ring Tones: Choose from 32 built-in melodies to customize the doorbell sound. Weather-Resistant Design: Engineered to withstand rain and other outdoor conditions. Smart Detection: Features intelligent detection capabilities to help distinguish between expected visitors and unexpected activity. - 32 selectable ring tones (for doorbell button) - Multi-function: doorbell, alarm, and welcome chime - Supports up to 30 transmitters; no power loss during transmission - Compatible with 1527/2262 encoding chips (for buttons) - 4-level volume adjustment (no mute option) - Supports multiple transmitters, suitable for larger homes Plug Type: EU Plug (compatible with countries including Indonesia, Germany, France, Spain, Italy, etc.) Voltage: AC 100–240 V Color: As shown in image Material: Plastic Note: Slight variations in appearance or printed text may occur between production batches; these do not affect functionality. Package Contents: 1 × Doorbell set Note: Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.